FIG. 5.

Salt and ethanol tolerance of the M. extorquens wild-type AM1, ΔphyR, and complemented ΔphyR/pBG11 strains. Dilution series of cells in exponential growth phase were plated on MM (control) (A) or MM containing 100 mM NaCl (B) or 2% ethanol (C). WT, wild type.